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All results from a given calculation for CN2 (3H-Diazirin-3-ylidene)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-147.384038
Energy at 298.15K-147.383883
HF Energy-147.384038
Nuclear repulsion energy52.178540
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1638 1581 13.16      
2 A1 1165 1124 19.23      
3 B2 1038 1002 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 1920.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1853.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/cc-pVDZ
ABC
1.46824 1.31324 0.69321

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.865
N2 0.000 0.640 -0.371
N3 0.000 -0.640 -0.371

Atom - Atom Distances (Å)
  C1 N2 N3
C11.39211.3921
N21.39211.2806
N31.39211.2806

picture of 3H-Diazirin-3-ylidene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 62.617 C1 N3 N2 62.617
N2 C1 N3 54.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.039      
2 N 0.019      
3 N 0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.625 0.625
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.443 0.000 0.000
y 0.000 -17.417 0.000
z 0.000 0.000 -19.118
Traceless
 xyz
x 3.824 0.000 0.000
y 0.000 -0.636 0.000
z 0.000 0.000 -3.188
Polar
3z2-r2-6.376
x2-y22.974
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.891 0.000 0.000
y 0.000 2.677 0.000
z 0.000 0.000 2.949


<r2> (average value of r2) Å2
<r2> 22.771
(<r2>)1/2 4.772